Finding the Fourth Proportional to 80,851,657.60, 121,277,486.40 and 32,305,506.40
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Solution
The fourth proportional to 80,851,657.60, 121,277,486.40 and 32,305,506.40 is: 48,458,259.60
Step by Step Solution
- Step 1: Write the proportion equation
80,851,657.60 : 121,277,486.40 = 32,305,506.40 : x - Step 2: Convert to fraction form
80,851,657.60/121,277,486.40 = 32,305,506.40/x - Step 3: Cross multiply
80,851,657.60x = 121,277,486.40 × 32,305,506.40 - Step 4: Simplify right side
80,851,657.60x = 3,917,930,613,071,113 - Step 5: Solve for x
x = 3,917,930,613,071,113/80,851,657.60 - Step 6: Final answer
x = 48,458,259.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.